Windshield Washer Options

[lsintampa]

75 914/4 2.0

I removed the old tubes for the windshield washer system - all of them. Read the tech article about hooking up motor to the system. Seems very straight forward.

There was a spare tire line that ran to the washer container. I assume it pressurized the tank so when you wanted to squirt some cleaner on your windshield there was something to push the fluid out.

A tube ran out the bottom all the way to the column then went into some turnabout nipple thing and came back out to the nozzles.

My question:

Is that turn around nipple thing the "release" of pressure that will allow fluid to flow?

That means it's mechanical? Or is it? Just curious how it works.

I noticed that there also is a switch that makes contact in the steering column when you pull back on the wiper arm. On my car, the black/brown wire up front was just cut off and hanging out. I'm not sure if I have intermittent wipers or not. There's no sign of a relay of any kind on the brace where the wiper motor is. Don't know how to tell, unless all 75's had em.

Anyway, I'm hoping that black/brown goes hot when the wiper arm is pulled back, cause that's how I hooking the washer motor up.

I'm really starting to enjoy this thing... gets better each day.

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Len

[Firstcar]

Anyone know the correct ID of the rubber tubing? I've searched and seen references to 3.5mm, 4mm, even 2.5mm. Which is it and are all the lines the same ID? Thinking of replacing it all with silicone as was referenced in post 6 back in 2013, but not sure what to order.